Low Pass Filter kit - QRP Labs
This Low Pass Filter (LPF) kit is based on the G-QRP technical pages design by Ed Whetherhold W3NQN. Kits are available for 16 bands 2200, 600, 160, 80, 60, 40, 30, 20, 17, 15, 12, 10, 6, 4, 2m and 222MHz. The kit uses a high-quality double-sided PCB with silk-screen, solder-mask and through-hole plating.
low pass filter (LPF) is required following the power amplifier of a transmitter to attenuate unwanted emissions on harmonic frequencies. This 7-element Low Pass Filter kit is based on the G-QRP technical notes, a design by Ed Wetherhold W3NQN. 2. Design.
Ultimate relay-switched LPF kit - QRP Labs
2015年5月12日 · This relay-switched LPF board kit can have up to five additional LPF's plugged in, permitting the Ultimate3 and Ultimate3S QRSS/WSPR kits to sequence between 6 bands (including the LPF on the main U3 board). The board size is 80 x 37mm, the same as the U3, so the boards stack together using four 25mm hex spacers.
F1500 160m-4m 1500W Low Pass Filter kit - QRPblog
HF/VHF amplifier LPF Unit that includes 7 low pass filters rated at 1500W PEP, for 160m to 4m amateur radio bands. Low insertion loss, excellent harmonic rejection.
Ultimate relay-switched LPF kit - QRP Labs
This relay-switched LPF board kit can have up to five additional LPF's plugged in, permitting the Ultimate3 and Ultimate3S QRSS/WSPR kits to sequence between 6 bands (including the LPF on the main U3/U3S board). The board size is 80 x 37mm, the same as the U3, so the boards stack together using four 25mm hex spacers.
40M LOW PASS FILTER KIT - Communication Concepts Inc.
40 METER LOW PASS FILTER KIT. Frequency Cutoff: 7.4 MHz. Max RF Power: 300 Watts CW. Input/Output Impedance: 50 ohm. Filter Type: 5 Element Chebyshev Low Pass. PC Board Size: 1 1/2"W x 4 1/2"L (3/4" H) FILTER KIT COMPONENTS: 3 ea. T106-2 Toroid Cores
SOTAbeams Filter Boards and Band Component Kits LOWPASSKIT …
Choose the Low Pass Filter Board and Band Kit components for the specific bands on which you want to use your WSPRlite. Build these high performance seven-element Chebyshev low pass filters to eliminate harmonics and spurs.
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XF-LPF-HF filter kit 短波低通滤波器-阿里巴巴
这是XF-LPF-HF filter kit 短波低通滤波器的详细页面。 类型:低通滤波器，货号:001，品牌:信瑞，型号:XF-LPF-HF filter kit，特色服务:定制，主要下游平台:ebay,亚马逊,wish,速卖通,独立站,LAZADA，主要销售地区:非洲,欧洲,南美,东南亚,北美,东北亚,中东，是否跨境出口专供 ...
Lpf 1.5 Kw Low Pass Filter 1.8-54 Mhz Amplifier ... - Ham Radio …
2017年10月1日 · LPF1500 allows you to filter the power to 1500W PEP. All of filters are for 50 ohm. Similar HL1.5Kfx - Tokyo Hy-Power, Ameritron ALS1300. For switching filters applied powerful relays with a current capacity 16A. LPF1500, the filter switching is implemented with 2 options. To ground one of 1-7 contacts XS1. +5-12v to 1-7 contacts XS2.
Universal Low Pass Filter Kit - Kits and Parts
Build this 7-pole Universal Low Pass Filter Available for 10, 12, 15, 17, 20, 30, 40, 80 and 160 meters. When ordering, please specify the Band(s) you want in an EMAIL
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